MdeModule PeiCore: Support pre memory page allocation

Support pre memory page allocation.
Support FreePages.
Allocation made prior to permanent memory will be
migrated to permanent memory and the HOB updated.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Ruiyu Ni <Ruiyu.Ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

MdeModulePkg/Core/Pei/PeiMain/PeiMain.c

@@ -64,7 +64,8 @@ EFI_PEI_SERVICES  gPs = {
   PeiRegisterForShadow,
   PeiFfsFindSectionData3,
   PeiFfsGetFileInfo2,
-  PeiResetSystem2
+  PeiResetSystem2,
+  PeiFreePages,
 };
 
 /**
@@ -231,6 +232,11 @@ PeiCore (
       HandoffInformationTable->EfiFreeMemoryTop    = OldCoreData->FreePhysicalMemoryTop;
       HandoffInformationTable->EfiFreeMemoryBottom = HandoffInformationTable->EfiEndOfHobList + sizeof (EFI_HOB_GENERIC_HEADER);
 
+      //
+      // We need convert MemoryBaseAddress in memory allocation HOBs
+      //
+      ConvertMemoryAllocationHobs (OldCoreData);
+
       //
       // We need convert the PPI descriptor's pointer
       //